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19c5cea336
freebsd-dev/sys
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Tycho Nightingale 19c5cea336 If a trap is encountered upon executing iretq from within doreti() the 
hardware will ensure the stack pointer is aligned to a 16-byte
boundary before saving the fault state on the stack.

In the PTI case, handle this potential alignment adjustment by copying
both frames independently while unwinding the stack in between.

Reviewed by:	kib
Sponsored by:	Dell EMC Isilon
Differential Revision:	https://reviews.freebsd.org/D15183
2018-04-25 14:21:13 +00:00
..
amd64 If a trap is encountered upon executing iretq from within doreti() the 2018-04-25 14:21:13 +00:00
arm Implement 32-bit atomic_fcmpset() in userland for armv4/v5. 2018-04-23 17:00:15 +00:00
arm64 Remove the unused fuwintr() and suiwintr() functions. 2018-04-17 18:04:28 +00:00
bsm
cam Just assert that the lock is held here, rather than taking it out and 2018-04-13 16:45:35 +00:00
cddl dtrace: depessimize dtmalloc when dtrace is active 2018-04-24 01:06:20 +00:00
compat [procfs] Split procfs_attr into multiple functions 2018-04-24 14:49:09 +00:00
conf [amdsbwd] teach amdsbwd that it has options 2018-04-24 13:07:17 +00:00
contrib Import CK as of commit b19ed4c6a56ec93215ab567ba18ba61bf1cfbac8 2018-04-02 23:40:50 +00:00
crypto opencrypto: Integrate Chacha20 algorithm into OCF 2018-03-29 04:02:50 +00:00
ddb Restore db_radix on parse error, otherwise we'll silently change it to 2018-04-17 15:44:05 +00:00
dev Add deprecation notice for lmc(4) 2018-04-24 19:51:05 +00:00
dts Enable ARM PL330 DMA engine and Cadence Quad SPI flash controller on 2018-04-23 12:23:05 +00:00
fs [procfs] Split procfs_attr into multiple functions 2018-04-24 14:49:09 +00:00
gdb amd64: Protect the kernel text, data, and BSS by setting the RW/NX bits 2018-03-06 14:28:37 +00:00
geom Annotate geom modules with MODULE_VERSION 2018-04-10 19:18:16 +00:00
gnu gnu/dts: Update our copy of arm dts from Linux 4.16 2018-04-20 19:37:08 +00:00
i386 Fix i386 build after r332970 by adding IS_BSP() definition. 2018-04-25 07:51:41 +00:00
isa Revert r330780, it was improperly tested and results in taking a spin 2018-03-11 20:13:15 +00:00
kern Improve VM page queue scalability. 2018-04-24 21:15:54 +00:00
kgssapi kgssapi: Remove trivial deadcode 2018-02-14 00:12:03 +00:00
libkern iconv uses strlen directly on user supplied memory 2018-02-26 18:23:36 +00:00
mips Fix PT_STEP single-stepping for mips. 2018-04-24 17:53:16 +00:00
modules Fix futexes on i386 after the 4/4G split. 2018-04-24 12:50:21 +00:00
net Use dead_bpf_if instead of bp_null. 2018-04-24 17:42:25 +00:00
net80211 Use an accessor function to access ifr_data. 2018-03-30 18:50:13 +00:00
netgraph Correct pseudo misspelling in sys/ comments 2018-02-23 18:15:50 +00:00
netinet Revert r332894 at the request of the submitter. 2018-04-24 19:55:12 +00:00
netinet6 Revert r332894 at the request of the submitter. 2018-04-24 19:55:12 +00:00
netipsec Set the proper vnet in IPsec callback functions. 2018-03-20 17:05:23 +00:00
netpfil To avoid possible deadlock do not acquire JQUEUE_LOCK before callout_drain. 2018-04-13 10:03:30 +00:00
netsmb Unsign some values related to allocation. 2018-01-22 02:08:10 +00:00
nfs Remove support for FDDI networks. 2018-04-11 17:28:24 +00:00
nfsclient style: Remove remaining deprecated MALLOC/FREE macros 2018-01-25 22:25:13 +00:00
nfsserver
nlm Use syscall_helper_register() to register syscalls and initialize though 2018-02-10 01:09:22 +00:00
ofed Improve copy-and-pasted versions of SIOCGIFADDR. 2018-03-27 20:51:49 +00:00
opencrypto cryptosoft: Do not exceed crd_len around *crypt_multi 2018-04-19 15:24:21 +00:00
powerpc Increase the fdtmemreserv array limit to boot on POWER9 2018-04-25 02:42:11 +00:00
riscv Remove the unused fuwintr() and suiwintr() functions. 2018-04-17 18:04:28 +00:00
rpc Do pass removing some write-only variables from the kernel. 2017-12-25 04:48:39 +00:00
security Use an accessor function to access ifr_data. 2018-03-30 18:50:13 +00:00
sparc64 Remove references to fs_nofault_intr_begin/end. 2018-04-17 22:30:00 +00:00
sys Revert r332894 at the request of the submitter. 2018-04-24 19:55:12 +00:00
teken Pedantic polishing of code to please FlexeLint. 2018-04-08 19:23:50 +00:00
tests
tools Add dtb overlays support 2018-03-24 21:30:24 +00:00
ufs Renumber soft-update types starting at 1 instead of 0 to avoid confusion 2018-04-05 00:32:01 +00:00
vm Improve VM page queue scalability. 2018-04-24 21:15:54 +00:00
x86 Make the sysctl machdep.idle also a tunable. 2018-04-24 20:49:16 +00:00
xdr
xen
Makefile